2019 · Large Car · Gas

2019 Cadillac CT6 MPG & fuel economy

The 2019 Cadillac CT6 is a large car offered in 4 EPA-rated configurations. The most efficient version returns 28 MPG combined (24 city / 34 highway) on premium gasoline. Across the lineup, combined ratings range from 17 to 28 MPG. That's up 7 MPG from the 2018 model. Among 30 large cars rated for 2019, it ranks 14th for lowest fuel cost. At 15,000 miles a year with $3.95/gal premium gas, it costs about $2,116 a year to fuel.

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Combined 28 MPG 24 MPG city · 34 MPG hwy
Driving range — not published for this model
Your fuel cost $2,116 15,000 mi/yr · $14.11 per 100 mi
Class rank, 2019 #14 of 30 Large Cars by fuel cost

What will it cost you?

Your mileage and prices are saved and used across the site.

Fuel average

The 2019 Cadillac CT6's fuel average is 11.9 km/L (8.4 L/100 km), or 28 MPG combined: 10.2 km/L in the city and 14.5 km/L on the highway.

MPGkm/LL/100 km
City2410.29.8
Highway3414.56.9
Combined2811.98.4

How it ranks among 2019 Large Cars

Full class ranking →
  1. 1Hyundai Ioniq58 MPG $802
  2. 2Tesla Model S111 MPGe $818
  3. 3Honda Accord Hybrid48 MPG $969
  4. 4Honda Accord33 MPG $1,409
  5. 5Hyundai Sonata31 MPG $1,500
  6. 14Cadillac CT628 MPG $2,116
  7. 30Rolls-Royce Ghost14 MPG $4,232
2019 CT6Other large carsClass median: $2,214/yr

Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.

CT6 MPG across model years

Full history →

4 EPA-rated configurations

ConfigurationTypeCityHwyCombinedRangeYour cost / yr
RWD · 2.0L 4-cyl turbo · 10-speed automatic
CT6		 Gas 24 MPG 34 MPG 28 MPG — $2,116
AWD · 3.6L 6-cyl · 10-speed automatic
CT6 AWD		 Gas 18 MPG 27 MPG 21 MPG — $2,214
AWD · 3.0L 6-cyl turbo · 10-speed automatic
CT6 AWD		 Gas 18 MPG 26 MPG 21 MPG — $2,821
AWD · 4.2L 8-cyl turbo · 10-speed automatic
CT6 AWD		 Gas 14 MPG 25 MPG 17 MPG — $3,485

Specs (most efficient configuration)

Fuel
Premium gasoline
Engine / motor
2.0L 4-cyl turbo
Transmission
10-speed automatic
Drivetrain
RWD
Passenger volume
110 cu ft
Cargo volume
15 cu ft
Tailpipe CO₂
317 g/mi
EPA fuel economy score
6/10
EPA greenhouse gas score
6/10

2019 Cadillac CT6 vs. rivals

vs Genesis G80 21 MPG · $2,214/yr CT6 saves $98/yr vs Mercedes-Benz S-Class Plug-in Hybrid 64 MPGe + 23 MPG · $2,018/yr S-Class Plug-in Hybrid saves $98/yr vs Porsche Panamera Plug-in Hybrid 51 MPGe + 23 MPG · $2,281/yr CT6 saves $165/yr vs Lincoln Continental 21 MPG · $2,214/yr CT6 saves $98/yr vs BMW 7 Series Plug-in Hybrid 64 MPGe + 27 MPG · $1,908/yr 7 Series Plug-in Hybrid saves $208/yr vs BMW 7 Series 24 MPG · $2,469/yr CT6 saves $353/yr vs BMW X1 26 MPG · $2,279/yr CT6 saves $163/yr vs Tesla Model S 111 MPGe · $818/yr Model S saves $1,298/yr

Compare the 2019 CT6

With any other car from any year, including other CT6 model years. Type a year to jump, e.g. "2015 Accord".

Frequently asked questions

What is the gas mileage of the 2019 Cadillac CT6?

Up to 28 MPG combined (24 city / 34 highway); ratings range from 17 to 28 MPG depending on configuration.

What fuel does the 2019 Cadillac CT6 use?

Premium gasoline (premium is required or recommended by the manufacturer).

What is the fuel average in km/L for the 2019 Cadillac CT6?

The 2019 Cadillac CT6's fuel average is 11.9 km/L (8.4 L/100 km), or 28 MPG combined: 10.2 km/L in the city and 14.5 km/L on the highway.

How much does it cost to fuel the 2019 Cadillac CT6 per year?

About $2,116 at 15,000 miles a year with $3.95/gal premium gas, or $14.11 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.

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